03-01-2007, 06:06 AM
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CC Member
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Join Date: Feb 2006
Location: Perth,
WA
Cobra Make, Engine: G-Force kit, LS1, 4L60, 4.09 LSD... Gone to Queensland!!!
Posts: 588
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Not Ranked
You should be able to unplug the IAC and set the throttle stop manually. Aim for a lowish idle of around 500 rpm (Auto's idle at 550). I have your idle set at 750, so the IAC will make up the difference.
It is best to have the throttle blade/s cracked a little bit for two reasons: a; the IAC doesn't have to work as hard, and b; it reduces the "off idle sensitivity" that comes from the instant rush of air as the throttle is opened.
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